
<style>#myComponent::part(listbox) {  z-index: 9995 }</style>
<fluent-combobox id="xxx" current-value="" position="below" blazor:onchange="1" blazor:elementreference="">
  <fluent-option id="xxx" value="Contoso" aria-selected="false" blazor:onclick="2" blazor:elementreference="">Contoso</fluent-option>
</fluent-combobox>